Title:
船舶
Document Type and Number:
Japanese Patent JP6720883
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To restrain or prevent the occurrence of inconvenience on ballast water treatment caused by a chlorine disinfectant of remaining without being used for the ballast water treatment of a ship.SOLUTION: A ship VSL comprises a ballast pump PM having a first operation mode of storing or filling seawater Wo taken in from the ship outside in a ballast tank by circulating toward the ballast tank T and a second operation mode of draining the seawater taken in from the ship outside to the ship outside by circulating without passing through the ballast tank and a ballast water treatment device having a disinfectant injection port Is for injecting a chlorine disinfectant into the seawater of circulating toward the ballast tank in the first operation mode and a residue injection port Id for injecting at least a part of a residue Re of the chlorine disinfectant of remaining without being injected into the seawater in the second operation mode and in the first operation mode, into the seawater of circulating toward the ship outside.SELECTED DRAWING: Figure 16
Inventors:
Kiyoshi Utsuki
Masao Matsuzawa
Masanori Nagato
Kazuya Okai
Tsuyoshi Suga
Takeshi Fukushima
Hisashi Kataoka
Masao Matsuzawa
Masanori Nagato
Kazuya Okai
Tsuyoshi Suga
Takeshi Fukushima
Hisashi Kataoka
Application Number:
JP2017009359A
Publication Date:
July 08, 2020
Filing Date:
January 23, 2017
Export Citation:
Assignee:
JFE Engineering Corporation
International Classes:
B63B13/00; C02F1/50; C02F1/70; C02F1/76
Domestic Patent References:
| JP5924447B1 | ||||
| JP2015016761A | ||||
| JP2015064319A | ||||
| JP2009039680A | ||||
| JP2011206745A | ||||
| JP5999280B1 |
Foreign References:
| WO2014064942A1 | ||||
| US20050155539 |
Attorney, Agent or Firm:
Kurata Masatoshi
Nobuhisa Nogawa
Naoki Kono
Tadashi Inoue
Ukai Ken
Nobuhisa Nogawa
Naoki Kono
Tadashi Inoue
Ukai Ken